Your LBS should have them in stock. Make sure you get a good one, I stripped 2 cheap ones before getting a nicer stainless one. About the lever, any old BMX/MTB lever will work. When buying your axle ask if you can dig around for something in the back. All the good ***** is back there.
__________________
I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC